def test_contains(self):
outer = Range(0,5)
inner = Range(2,3)
self.assertTrue(outer.contains(inner))
def test_partially_contains(self):
outer = Range(3,5)
inner = Range(2,3)
self.assertTrue(outer.partially_contains(inner))
inner = Range(3,3)
self.assertTrue(outer.partially_contains(inner))
def test_split(self):
range = Range(3,5)
expected_split = (Range(3,4), Range(5,5))
self.assertEquals(expected_split, range.split())